Butterfly pillow



FIG. 1 is a front, right side, top perspective view of a butterfly pillow showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is an enlarged detailed view of the encircled region 8 shown in FIG. 1.

The dot-dash broken lines are used to indicate an enlarged view of the butterfly pillow only and form no part of the claimed design. 

CLAIM The ornamental design for a butterfly pillow, as shown and described. 